CVE-2008-2377
HIGH severity · CVSS 7.6 · Memory corruption
7.6CVSS HIGH
Summary
Use-after-free vulnerability in the _gnutls_handshake_hash_buffers_clear function in lib/gnutls_handshake.c in libgnutls in GnuTLS 2.3.5 through 2.4.0 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via TLS transmission of data that is improperly used when the peer calls gnutls_handshake within a normal session, leading to attempted access to a deallocated libgcrypt handle.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)5%
AV:N/AC:H/Au:N/C:C/I:C/A:C
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/2947 ↗
Additional information
- NVD record
- http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/2947Patch
- http://secunia.com/advisories/31505
- http://www.gnu.org/software/gnutls/security.html
- http://www.securityfocus.com/bid/30713
- http://www.vupen.com/english/advisories/2008/2398
- https://exchange.xforce.ibmcloud.com/vulnerabilities/44486
- https://issues.rpath.com/browse/RPL-2650
- http://www.nabble.com/Details-on-the-gnutls_handshake-local-crash-problem--GNUTLS-SA-2008-2--td18205022.htmlExploit